1990 Mercedes Benz 300sd No heat

1990 MERCEDES BENZ 300SD
224,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
MEDIC630
  • MEMBER
  • 1 POST
I have a 300e . Gives no heat. Fan and blower work. Any idea what to check?
Oct 12, 2008 at 8:08 AM
Advertisement
Avatar
DR LOOT
  • ✓ASE Certified Mechanic
  • 2,311 POSTS
  • ASE Certified Mechanic
have you checked the heater control valve, following your heater hoses from the engine make sure they are hot going in to the firewall and make sure it is hot coming out,
Mar 7, 2009 at 12:28 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.